Home / 248,735.20-343,253.28-135,556.96

Finding the Fourth Proportional to 248,735.20, 343,253.28 and 135,556.96

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Solution

The fourth proportional to 248,735.20, 343,253.28 and 135,556.96 is: 187,067.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,735.20 : 343,253.28 = 135,556.96 : x
  2. Step 2: Convert to fraction form
    248,735.20/343,253.28 = 135,556.96/x
  3. Step 3: Cross multiply
    248,735.20x = 343,253.28 × 135,556.96
  4. Step 4: Simplify right side
    248,735.20x = 46,530,371,146.83
  5. Step 5: Solve for x
    x = 46,530,371,146.83/248,735.20
  6. Step 6: Final answer
    x = 187,067.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.